1998-04-28

Prediction of Population Strengths 981307

This paper describes and illustrates two different approaches used to predict population strength capabilities. One approach uses statistical regression models to predict maximum acceptable weight or force capabilities as a function of population attributes (e.g., anthropometry, gender and standardized strength scores). A second approach relies on a biomechanical concept stating that the maximum force one can produce in a given posture and for a given type of exertion is a function of the minimum relative strength produced by one's muscles at a particular joint. This latter approach has resulted in a specific static strength prediction model which has been implemented in software produced by the Center for Ergonomics at the University of Michigan. The software allows the simulation of a large variety of manual exertions. This paper describes the status of the two different approaches and implications and requirements for future human simulation and modeling systems.

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